74140680122 has 4 divisors (see below), whose sum is σ = 111211020186. Its totient is φ = 37070340060.

The previous prime is 74140680091. The next prime is 74140680127. The reversal of 74140680122 is 22108604147.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55975301281 + 18165378841 = 236591^2 + 134779^2 .

It is not an unprimeable number, because it can be changed into a prime (74140680127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18535170029 + ... + 18535170032.

Almost surely, 2^74140680122 is an apocalyptic number.

74140680122 is a deficient number, since it is larger than the sum of its proper divisors (37070340064).

74140680122 is a wasteful number, since it uses less digits than its factorization.

74140680122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37070340063.

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 74140680122 in words is "seventy-four billion, one hundred forty million, six hundred eighty thousand, one hundred twenty-two".